Explain how a number can be a power of 10

There are three routes from a person's home to her place of work. There are four parking lots where she works, three entrances into her building, two elevators to her floor, and one route from each elevator to her office door.

When graphing a complex number, which axis represents the imaginary part of the number? Is it the vertical or the horizon axis?

Dan and Jake have new stamp collecting books. Dan puts 5 stamps in his book every day, and Jake puts 6 stamps in his book every day. How many stamps will Dan have when Jake has 30 in his book? (show work)

Time (min) Number of Texts 1 3 2 6 3 9 4 12 Is the relationship between number of texts and time a proportional relationship?

A hot air ballon is rising to its cruising altitude. Suppose the air temperature around the ballon drops 4 degrees each time the ballon increases its altitude by 1,000 feet.

Find the solution to the system of equations. -2x+2y=-4 3x+3y=-18

What is the area of 10 3/4 • 12 1/2?

A rectangular sofa cushion is 36 inches by 30 inches by 20 inches. How many cushions can be covered with 38400 square inches of material?

How do you determine if a given set of measurements works for the side lengths of a triangle? (It should be a number)

If cosx = sin20, find the value of x, 0 Solve for x correct to the nearest minute given sin^2 x-3sin xcosx+2cos^2 x=0, where 0≤x≤180